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Vigorous System Impacting the Northwest; Large System To Affect East

A potent storm system is delivering heavy rainfall, strong winds, rough surf and beach erosion along the Pacific Northwest coast with mountain snow inland. Expect a couple more systems to arrive late week into the weekend. Meanwhile, another developing large scale system will deliver a heavy rain and renewed flood threat to much of the East late Wednesday through Friday, which may impact travel.Read More...

Detailed Forecast

Synopsis: ANZ200-191900-
116 AM EST Wed Dec 19 2018
.Synopsis for Massachusetts and Rhode Island coastal waters...
NW gales will diminish overnight. High pres builds over the waters
on Wed. This high pres will shift offshore late Wed into Thu,
resulting in SW winds and moderating temperatures. A storm system
will approach srn New England from the SW Fri and Fri night, which
will bring SE gales to the waters. A cold front will push across
the waters on Sat.
For information on possible hazardous weather beyond the 24-36
hour forecast period, please visit www.weather.gov/boston and
follow the Current Hazards link above the map on the left.
$$

SSW wind 12 to 15 kt becoming W in the afternoon. Winds could gust as high as 21 kt. Partly sunny. Seas 1 ft or less.

Saturday Night

W wind 14 to 16 kt, with gusts as high as 23 kt. Partly cloudy. Seas 1 ft or less.

Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area.
Forecast information for a larger area can be found within the zone
forecast and the NDFD graphics.

The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc.
These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.